Diamonds is a Canadian television series, which aired from 1987 to 1989. The show starred Nicholas Campbell as Mike Devitt and Peggy Smithhart as Christina Towne, former actors who had met and married while playing private investigators on a TV series called Two of Diamonds, and continued to work together as real private investigators after both their divorce and the cancellation of their show. The cast also included Roland Magdane, Geraint Wyn Davies and Tony Rosato. Campbell was also an occasional writer for the series. Diamonds also aired on RTÉ Television in Ireland.